Wang Tao (Vice President), Associate Professor, School of Economics, Harbin University of Commerce E-mail :wangt@hrbcu.edu.cn Tel: 045 1-84892 122 Office: 1203.

Zhang Jinping, Associate Professor of School of Economics, Harbin University of Commerce, :zhangjp@hrbcu.edu Tel: 0451-89112606 Office: 1205.

The above two are ITC's mentors and friends, and Zhang Jinping is my teacher. I suggest you read her paper or something.

It is more convenient to make a phone call.

Good luck ~ ~